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01
3684450 / 3683651 Water Pump Replacement Spare Part for Cu mm ins Engine Motor
The 3684450 water pump replacement part is an essential genuine part from C um mi ns, tailor-made for the I SX and QS X15 diesel engine models. Its core function lies in driving the circulation of coolant throughout the engine system, effectively regulating the operating temperature to ward off overheating issues, thus safeguarding the engine's stable performance. Crafted with a premium pump housing, this water pump exhibits exceptional structural robustness and durability. It has undergone stringent leak detection tests to ensure airtightness and reliable operation in various working conditions. As a component of the 5406043 water pump assembly, it typically allows for core replacement alone, without the need to replace the entire set, which helps reduce maintenance costs.
• Durable Build: High-quality housing resists wear and corrosion; leak-tested for reliability.
• Efficient Cooling: Optimized design ensures steady coolant flow, preventing engine overheating.
• Easy Maintenance: Part of the 5406043 kit, allowing core-only replacement to cut costs and downtime.
• Broad Compatibility: Fits Cum m ins ISX/QSX15 engines, works with CM570/CM870 modules, and replaces 3683651/4386576.
• OEM Compliance: Meets Cu m min s standards, ensuring performance and reliability.
• Cost-Effective: Reduces long-term expenses via durability and simple repairs.
| Brand | CWL/Customize | OE Number | 3684450/3683651 |
| Weight | 8.50 kg (approx.) | Origin | China |
| Application | Suitable for ISX15, QSX15, ISZ13 and other engine models, compatible with CM570, CM870, CM871 and other engine control modules. | ||
| Replacement Water Pump | Heat-treated shaft assemblies,superior strength and durability | ||
| High Quality | 100% function and leakage tested for reliable, leak-free performance | ||
[Fit Car Model] Compatible with Cu m mins ISX CM570, ISX CM870, ISX CM871, ISX CM871 E,ISX15 CM2250, ISX15 CM2250 SN, ISX15 CM2350 X101, ISZ13 CM2150 SN; Cummins QSX11.9 CM2250 ECF, QSX15 CM2250, QSX15 CM2250 ECF, QSX15 CM2250 X115, QSX15 CM2350 X105, QSX15 CM2350 X106, QSX15 CM570, QSZ13 CM2150 Z101, QSZ13 CM2150 Z102, X15 CM2350 X114B, X15 CM2350 X116B.
The production process of 3684450/3683651 water pumps begins with precision design based on C um mins engine specifications, followed by sourcing high-grade cast iron for pump housings and durable metals for impellers and shafts. Machining involves CNC cutting, milling, and drilling to ensure tight tolerances, with surface treatments like anti-corrosion coating applied to enhance durability. Components such as bearings and seals are assembled meticulously, then the units undergo rigorous leak testing and performance checks—including flow and pressure verification—to meet OEM standards. Final inspections confirm alignment with engine compatibility requirements, ensuring seamless integration with Cum mins ISX/QSX15 engines and related control modules.
Comprehensive testing before leaving the factory (including but not limited to dimensional accuracy testing, performance testing, fit accuracy testing, flaw detection, etc.) to ensure that customers get high-quality and high-performance products.
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